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D
D 13
AMPERE
CATALOG
AMPERE
CATALOG
RATING
NUMBER
RATING
NUMBER
35
A50QS35-4
250
A50QS250-4
40
A50QS40-4
300
A50QS300-4
50
A50QS50-4
350
A50QS350-4
60
A50QS60-4
400
A50QS400-4
70
A50QS70-4
450
A50QS450-4
80
A50QS80-4
500
A50QS500-4
90
A50QS90-4
600
A50QS600-4
100
A50QS100-4
700
A50QS700-4
125
A50QS125-4
800
A50QS800-4
150
A50QS150-4
900
A50QS900-4
175
A50QS175-4
1000
A50QS1000-4
200
A50QS200-4
1200
A50QS1200-4
225
A50QS225-4
Standard Fuse Ampere Ratings, Catalog Numbers
For ampere ratings and styles not listed, call Technical Services.
Dimensions
CATALOG
MOUNTING
DIMENSIONS - INCHES (mm)
NUMBER
TYPE
A
B
C
D
E
F
G
H
A50QS35 to 100
4
3.63
1.00
2.13
2.94
2.75
0.31
0.75
0.13
(92.2)
(25.4)
(54.1)
(74.7)
(69.9)
(7.9)
(19.1)
(3.3)
A50QS125 to 200
4
3.63
1.22
2.13
2.94
2.81
0.31
1.00
0.19
(92.2)
(31.0)
(54.1)
(74.7)
(71.4)
(7.9)
(25.4)
(4.8)
A50QS225 to 400
4
4.34
1.50
2.09
3.41
2.78
0.41
1.00
0.25
(110)
(38.1)
(53.1)
(86.6)
(70.6)
(10.4)
(25.4)
(6.4)
A50QS450 to 600
4
4.47
2.00
2.22
3.53
2.91
0.41
1.50
0.25
(114)
(50.8)
(56.4)
(89.7)
(73.9)
(10.4)
(38.1)
(6.4)
A50QS700 to 800
4
6.47
2.50
2.22
5.00
3.44
.53
1.50
.25
(164.3)
(63.5)
(56.4)
(127.0)
(87.3)
(13.5)
(38.1)
(6.4)
A50QS900 to 1200
4
6.97
3.00
3.22
5.47
4.47
.63
2.38
.44
(177.0)
(76.2)
(81.8)
(138.9)
(113.5)
(15.9)
(60.3)
(11.1)
Percent Rated Current
Watts Loss vs. Percent Rated Current
AMPERE
WATTS
RATING
LOSS(w)
35
6
40
7
50
8
60
10
70
12
80
14
90
15
100
17
125
21
150
25
175
29
200
33
225
37
AMPERE
WATTS
RATING
LOSS(w)
250
41
300
49
350
57
400
65
450
69
500
77
600
92
700
110
800
130
900
140
1000
160
1200
175
Watts Loss at Rated Current
Correction factor example: At 80% rated current, watts
loss equals .54 times watts loss at rated current.
AMP-TRAP®–Form 101
A50QS
SEMICONDUCTOR PROTECTION FUSES